Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI2018A5 QUATTRO PRESTIGE, 2D CONVERTIBLEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 176 (COOLING SYSTEM [CYMC,CYRB,CYRC,CWPB,DDWA,DKNA,DKWA,DLHB,DDWB])
2018 Audi A5 Quattro Prestige, 2D Convertible
Section 176 (Cooling System [CYMC,CYRB,CYRC,CWPB,DDWA,DKNA,DKWA,DLHB,DDWB])
2018 Audi A5 Quattro Prestige, 2D ConvertibleSECTION Section 176 (Cooling System [CYMC,CYRB,CYRC,CWPB,DDWA,DKNA,DKWA,DLHB,DDWB])
WARNING: This page is about a different car, the 2020 Audi A4 allroad, 2019 Audi A4 allroad, 2018 Audi A4 allroad, 2017 Audi A4 allroad, and 2017 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
- 19 Cooling System
- Coolant System/Coolant
- Coolant Pump/Coolant Thermostat
- Overview - Coolant Pump/Coolant Thermostat
- Overview - Electric Coolant Pump
- Overview - Engine Coolant Temperature Sensor
- Overview - Transmission Coolant Valve
- Electric Coolant Pump, Removing And Installing
- Coolant Pump, Removing And Installing
- Coolant Pump Toothed Belt, Removing And Installing
- Engine Temperature Control Actuator -N493-, REMOVING AND INSTALLING
- Engine Coolant Temperature Sensor -G62-, REMOVING AND INSTALLING
- Engine Coolant Temperature Sensor on Radiator Outlet -G83-, REMOVING AND INSTALLING
- Coolant Valves, Removing And Installing
- Coolant Pipes
- Overview - Coolant Pipes
- Coolant Pipes, Removing And Installing
- Transmission Coolant Pipes, Removing And Installing
- Radiator/Radiator Fan
- Special Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.